A solution can be both
a. Dilute and concentrated
b. Saturated and dilute
c. Saturated and unsaturated
d. Supersaturated and saturated
e. None of these
Answer (2)
In the context of solution chemistry, a solution cannot be both saturated and dilute, or both supersaturated and saturated, as these terms refer to specific concentrations and solubility states of the solute within the solvent. A saturated solution is one in which the maximum amount of solute has been dissolved at a given temperature. If more solute is added to a saturated solution, it will not dissolve. On the other hand, an unsaturated solution is one that contains less solute than the maximum amount that could be dissolved, which means it still has the capacity to dissolve more solute. A dilute solution has a relatively low concentration of solute, whereas a concentrated solution contains a high concentration of solute. Lastly, a supersaturated solution contains more dissolved solute than would normally dissolve at that temperature and is not stable, prone to crystallizing back to a saturated state when disturbed.
Saturated can occur with both dilute and concentrated solutions, depending on the amount of solute present relative to its solubility at a particular temperature. An example is a solution of NaCl in water, which can be saturated yet dilute if it contains a small amount of NaCl at its solubility point, or saturated and concentrated if it contains a large amount. Therefore, the correct answer is c. Saturated and unsaturated.
A solution can be either saturated or unsaturated, depending on the amount of solute present relative to its solubility. The correct answer is c. Saturated and unsaturated. Definitions of dilute, concentrated, supersaturated solutions show different concentration states referring to how much solute is dissolved in the solvent.
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